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// Copyright (C) 2015 Klaralvdalens Datakonsult AB (KDAB).
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
#include "qgeometry.h"
#include "qgeometryfactory_p.h"
#include "qgeometry_p.h"
#include <private/qnode_p.h>
#include <Qt3DCore/qattribute.h>
QT_BEGIN_NAMESPACE
namespace Qt3DCore {
QGeometryFactory::~QGeometryFactory()
{
}
QGeometryPrivate::QGeometryPrivate()
: QNodePrivate(),
m_boundingVolumePositionAttribute(nullptr)
{
}
QGeometryPrivate::~QGeometryPrivate()
{
}
QGeometryPrivate *QGeometryPrivate::get(QGeometry *q)
{
return q->d_func();
}
void QGeometryPrivate::setScene(QScene *scene)
{
QNodePrivate::setScene(scene);
if (scene)
scene->markDirty(QScene::GeometryDirty);
}
void QGeometryPrivate::update()
{
if (!m_blockNotifications) {
m_dirty = true;
markDirty(QScene::GeometryDirty);
}
QNodePrivate::update();
}
void QGeometryPrivate::setExtent(const QVector3D &minExtent, const QVector3D &maxExtent)
{
Q_Q(QGeometry);
if (m_minExtent != minExtent) {
m_minExtent = minExtent;
const auto wasBlocked = q->blockNotifications(true);
emit q->minExtentChanged(minExtent);
q->blockNotifications(wasBlocked);
}
if (m_maxExtent != maxExtent) {
m_maxExtent = maxExtent;
const auto wasBlocked = q->blockNotifications(true);
emit q->maxExtentChanged(maxExtent);
q->blockNotifications(wasBlocked);
}
}
/*!
\qmltype Geometry
\nativetype Qt3DCore::QGeometry
\inqmlmodule Qt3D.Core
\inherits Node
\since 5.7
\brief Encapsulates geometry.
A Geometry type is used to group a list of Attribute objects together
to form a geometric shape Qt3D is able to render using GeometryRenderer.
Special attribute can be set in order to calculate bounding volume of the shape.
*/
/*!
\class Qt3DCore::QGeometry
\inmodule Qt3DCore
\since 5.7
\brief Encapsulates geometry.
A Qt3DCore::QGeometry class is used to group a list of Qt3DCore::QAttribute
objects together to form a geometric shape Qt3D is able to render using
Qt3DCore::QGeometryRenderer. Special attribute can be set in order to calculate
bounding volume of the shape.
*/
/*!
\qmlproperty Attribute Geometry::boundingVolumePositionAttribute
Holds the attribute used to compute the bounding volume. The bounding volume is used internally
for picking and view frustum culling.
If unspecified, the system will look for the attribute using the name returned by
QAttribute::defaultPositionAttributeName.
\sa Attribute
*/
/*!
\qmlproperty list<Attribute> Geometry::attributes
Holds the list of attributes the geometry comprises of.
*/
/*!
\property Qt3DCore::QGeometry::boundingVolumePositionAttribute
Holds the attribute used to compute the bounding volume. The bounding volume is used internally
for picking and view frustum culling.
If unspecified, the system will look for the attribute using the name returned by
QAttribute::defaultPositionAttributeName.
\sa Qt3DCore::QAttribute
*/
/*!
Constructs a new QGeometry with \a parent.
*/
QGeometry::QGeometry(QNode *parent)
: QGeometry(*new QGeometryPrivate(), parent) {}
/*!
\internal
*/
QGeometry::~QGeometry()
{
}
/*!
\internal
*/
QGeometry::QGeometry(QGeometryPrivate &dd, QNode *parent)
: QNode(dd, parent)
{
}
/*!
\fn void Qt3DCore::QGeometry::addAttribute(Qt3DCore::QAttribute *attribute)
Adds an \a attribute to this geometry.
*/
void QGeometry::addAttribute(QAttribute *attribute)
{
Q_ASSERT(attribute);
Q_D(QGeometry);
if (!d->m_attributes.contains(attribute)) {
d->m_attributes.append(attribute);
// Ensures proper bookkeeping
d->registerDestructionHelper(attribute, &QGeometry::removeAttribute, d->m_attributes);
// We need to add it as a child of the current node if it has been declared inline
// Or not previously added as a child of the current node so that
// 1) The backend gets notified about it's creation
// 2) When the current node is destroyed, it gets destroyed as well
if (!attribute->parent())
attribute->setParent(this);
d->update();
}
}
/*!
\fn void Qt3DCore::QGeometry::removeAttribute(Qt3DCore::QAttribute *attribute)
Removes the given \a attribute from this geometry.
*/
void QGeometry::removeAttribute(QAttribute *attribute)
{
Q_ASSERT(attribute);
Q_D(QGeometry);
if (!d->m_attributes.removeOne(attribute))
return;
// Remove bookkeeping connection
d->unregisterDestructionHelper(attribute);
d->update();
}
void QGeometry::setBoundingVolumePositionAttribute(QAttribute *boundingVolumePositionAttribute)
{
Q_D(QGeometry);
if (d->m_boundingVolumePositionAttribute != boundingVolumePositionAttribute) {
d->m_boundingVolumePositionAttribute = boundingVolumePositionAttribute;
emit boundingVolumePositionAttributeChanged(boundingVolumePositionAttribute);
}
}
QAttribute *QGeometry::boundingVolumePositionAttribute() const
{
Q_D(const QGeometry);
return d->m_boundingVolumePositionAttribute;
}
/*!
\qmlproperty vector3d Geometry::minExtent
Holds the vertex with the lowest x, y, z position values.
*/
/*!
\property Qt3DCore::QGeometry::minExtent
Holds the vertex with the lowest x, y, z position values.
*/
QVector3D QGeometry::minExtent() const
{
Q_D(const QGeometry);
return d->m_minExtent;
}
/*!
\qmlproperty vector3d Geometry::maxExtent
Holds the vertex with the highest x, y, z position values.
*/
/*!
\property Qt3DCore::QGeometry::maxExtent
Holds the vertex with the highest x, y, z position values.
*/
QVector3D QGeometry::maxExtent() const
{
Q_D(const QGeometry);
return d->m_maxExtent;
}
/*!
Returns the list of attributes in this geometry.
*/
QList<QAttribute *> QGeometry::attributes() const
{
Q_D(const QGeometry);
return d->m_attributes;
}
} // namespace Qt3DCore
QT_END_NAMESPACE
#include "moc_qgeometry.cpp"